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Finding the Fourth Proportional to 114,637.80, 171,900.30 and 67,344.92

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Solution

The fourth proportional to 114,637.80, 171,900.30 and 67,344.92 is: 100,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,637.80 : 171,900.30 = 67,344.92 : x
  2. Step 2: Convert to fraction form
    114,637.80/171,900.30 = 67,344.92/x
  3. Step 3: Cross multiply
    114,637.80x = 171,900.30 × 67,344.92
  4. Step 4: Simplify right side
    114,637.80x = 11,576,611,951.48
  5. Step 5: Solve for x
    x = 11,576,611,951.48/114,637.80
  6. Step 6: Final answer
    x = 100,984.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.